Home / 2,648.66-3,655.62-1,529.45

Finding the Fourth Proportional to 2,648.66, 3,655.62 and 1,529.45

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Solution

The fourth proportional to 2,648.66, 3,655.62 and 1,529.45 is: 2,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.66 : 3,655.62 = 1,529.45 : x
  2. Step 2: Convert to fraction form
    2,648.66/3,655.62 = 1,529.45/x
  3. Step 3: Cross multiply
    2,648.66x = 3,655.62 × 1,529.45
  4. Step 4: Simplify right side
    2,648.66x = 5,591,069.73
  5. Step 5: Solve for x
    x = 5,591,069.73/2,648.66
  6. Step 6: Final answer
    x = 2,110.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.